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Electronic level-sensitive apparatus
US 2,619,620 A
Filed
: 11/28/1950
Issued
: 11/25/1952
Est. Priority Date
: 11/28/1950
Status: Expired due to Term
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Current Assignee
Harry F. Tapp
,
Theodore J. Mesh
Original Assignee
Harry F. Tapp
,
Theodore J. Mesh
Inventors
Tapp, Harry F.
,
Mesh, Theodore J.
Application Number
US03/197,964
Time in Patent Office
728 Days
Field of Search
US Class Current
318/606
CPC Class Codes
G05D 9/12
characterised by the use of...
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